Replying to Where do ya mount your park skis?

Ive heard so many different things on mounting park skis, the obvious one being true cent, but then I've heard -1cm as when you put shin pressure your truly over cent then, and then I've also seen people say all pros ride -2. I usually mount true cent and im just wondering if I should even bother moving back but the -1cm has me curious. I just ordered some mango 100s for my 1 ski quiver where I usually just ride tow rope (hence the true cent) but thinking about trying something new. Whats the rec on mango 100s even? I've heard -2 and -1 but idek